Heat Advisory — Ashley, AR, Chicot, AR, Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, LA, Tensas, LA, Concordia, LA, Bolivar, MS, Sunflower, MS, Leflore, MS, Grenada, MS, Carroll, MS, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Washington, MS, Humphreys, MS, Holmes, MS, Attala, MS, Winston, MS, Noxubee, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Leake, MS, Neshoba, MS, Kemper, MS, Warren, MS, Hinds, MS, Rankin, MS, Scott, MS, Newton, MS, Lauderdale, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Smith, MS, Jasper, MS, Clarke, MS, Jefferson, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS 8:00 PM

Smith County, Mississippi, United States

Last updated: 9:37 AM CDT  ·  Refresh
30°C
Feels like 33°
Mostly Clear
▲ 38°  /  ▼ 23°
Wind
7 mph WNW
Humidity
63%
Dew Point
22°
Pressure
29.60 inHg
Visibility
10 mi
UV Index
7.3
Cloud Cover
29%
Sunrise
6:24 AM
Sunset
7:38 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Smith County is currently mostly clear at 30°C. Precipitation is likely — peak probability 64% around 8 PM. Atmospheric instability is elevated (CAPE up to 1958 J/kg) — isolated convective development possible. Sunrise: 6:24AM · Sunset: 7:38PM.

Alerts

Heat Advisory
Ashley, AR, Chicot, AR, Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, LA, Tensas, LA, Concordia, LA, Bolivar, MS, Sunflower, MS, Leflore, MS, Grenada, MS, Carroll, MS, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Washington, MS, Humphreys, MS, Holmes, MS, Attala, MS, Winston, MS, Noxubee, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Leake, MS, Neshoba, MS, Kemper, MS, Warren, MS, Hinds, MS, Rankin, MS, Scott, MS, Newton, MS, Lauderdale, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Smith, MS, Jasper, MS, Clarke, MS, Jefferson, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS
Expires 8:00 PM
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
30°
4%
10 AM
33°
23%
11 AM
34°
23%
12 PM
36°
26%
1 PM
38°
19%
2 PM
38°
38%
3 PM
38°
40%
4 PM
37°
49%
5 PM
37°
49%
6 PM
34°
50%
7 PM
32°
54%
8 PM
30°
64%
9 PM
26°
46%
10 PM
25°
22%
11 PM
25°
23%
12 AM
24°
23%
1 AM
26°
9%
2 AM
26°
5%
3 AM
25°
5%
4 AM
24°
5%
5 AM
23°
5%
6 AM
23°
5%
7 AM
24°
13%
8 AM
26°
24%
7-Day Forecast
Today
38° 23°
Mostly Clear with a 50% chance of rain.
Wed
41° 23°
Partly Cloudy with a 49% chance of rain.
Thu
40° 23°
Clear with a 42% chance of rain.
Fri
38° 22°
Clear with a 71% chance of rain.
Sat
37° 21°
Clear.
Sun
39° 21°
Clear with a 30% chance of rain.
Mon
38° 19°
Clear with a 27% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 30° Mostly Clear 4% 7 mph WNW 63%
10 AM 33° Partly Cloudy 23% 8 mph WNW 54%
11 AM 34° Mostly Clear 23% 8 mph WNW 48%
12 PM 36° Mostly Clear 26% 7 mph WNW 41%
1 PM 38° Mostly Clear 19% 6 mph WNW 37%
2 PM 38° Mostly Clear 38% 6 mph WNW 35%
3 PM 38° Mostly Clear 40% 6 mph WNW 34%
4 PM 37° Mostly Clear 49% 6 mph WNW 39%
5 PM 37° Partly Cloudy 49% 4 mph WNW 47%
6 PM 34° Partly Cloudy 50% 4 mph W 56%
7 PM 32° Partly Cloudy 54% 5 mph SSE 65%
8 PM 30° Partly Cloudy 64% 4 mph E 74%
9 PM 26° Mostly Cloudy 46% 5 mph SSE 81%
10 PM 25° Partly Cloudy 22% 5 mph S 85%
11 PM 25° Partly Cloudy 23% 5 mph SSW 87%
12 AM 24° Partly Cloudy 23% 5 mph SSW 88%
1 AM 26° Partly Cloudy 9% 4 mph SSW 79%
2 AM 26° Partly Cloudy 5% 4 mph SSW 80%
3 AM 25° Mostly Clear 5% 4 mph SW 81%
4 AM 24° Partly Cloudy 5% 4 mph SW 82%
5 AM 23° Partly Cloudy 5% 5 mph SW 83%
6 AM 23° Partly Cloudy 5% 5 mph SW 83%
7 AM 24° Partly Cloudy 13% 5 mph WSW 81%
8 AM 26° Partly Cloudy 24% 5 mph WSW 76%
15-Day Forecast
Today
8/18
Mostly Clear
50%
23°
38°
Wed
8/19
Partly Cloudy
49%
23°
41°
Thu
8/20
Clear
42%
23°
40°
Fri
8/21
Clear
71%
22°
38°
Sat
8/22
Clear
16%
21°
37°
Sun
8/23
Clear
30%
21°
39°
Mon
8/24
Clear
27%
19°
38°
Tue
8/25
Drizzle
43%
22°
38°
Wed
8/26
Drizzle
44%
23°
38°
Thu
8/27
Drizzle
51%
23°
35°
Fri
8/28
Drizzle
60%
18°
38°
Sat
8/29
Drizzle
60%
21°
36°
Sun
8/30
Drizzle
60%
21°
35°
Mon
8/31
Drizzle
60%
21°
36°
Tue
9/1
Drizzle
60%
20°
36°
54
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
54 AQI 10.7 µg/m³
O3
Ground-level ozone
42 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 54 Moderate 42 54
Thu 50 Good 34 50
Fri 51 Moderate 31 51
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Aug 18, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1698 J/kg
MLCAPE590 J/kg
MUCAPE1698 J/kg
SBCIN-144 J/kg
MLCIN-200 J/kg
Lifted Index-4.2
Kinematics
0–6 km Shear5 kt
0–1 km Shear10 kt
Eff. Shear3 kt
0–1 km SRH50
0–3 km SRH6
Eff. SRH6
Storm Motion354° @ 17 kt
0–1 km EHI0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.0
Thermo & Levels
PWAT1.86 in
0–3 km LR6.6 °C/km
700–500 LR5.5 °C/km
Total Totals46.0
LCL902 hPa
LFC786 hPa
EL167 hPa
Freezing Lvl14,826 ft